CN202282938U - Auxiliary water-cooled plate assembly of IGBT power module of novel energy automobile inverter - Google Patents
Auxiliary water-cooled plate assembly of IGBT power module of novel energy automobile inverter Download PDFInfo
- Publication number
- CN202282938U CN202282938U CN2011203547036U CN201120354703U CN202282938U CN 202282938 U CN202282938 U CN 202282938U CN 2011203547036 U CN2011203547036 U CN 2011203547036U CN 201120354703 U CN201120354703 U CN 201120354703U CN 202282938 U CN202282938 U CN 202282938U
- Authority
- CN
- China
- Prior art keywords
- cooled plate
- pressing plate
- water
- cooled
- igbt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses an auxiliary water-cooled plate assembly of an IGBT (Insulated Gate Bipolar Transistor) power module of a novel energy automobile inverter. A lower main heat radiating surface of the IGBT power module is connected with a fin water-cooled plate assembly to achieve heat radiating; an auxiliary water-cooled plate assembly is mounted on an upper auxiliary heat radiating surface of the IGBT and comprises a water-cooled plate pressing plate, a water pipe, heat radiating glue and fixing pieces; the water-cooled plate is fixedly connected with the fin water-cooled assembly; the water pipe is embedded in and fastened to the water-cooled plate pressing plate via the fixing pieces; and the heat radiating glue is filled between the water pipe and the water-cooled plate pressing plate. The auxiliary water-cooled plate assembly is arranged on the auxiliary heat radiating surface of the IGBT power module and combined with the fin water-cooled plate assembly of the main heat radiating surface to form a double surface water-cooled structure, so that the heat radiating efficiency of the IGBT module is improved, the thermostatic temperature of the IGBT module is lowered, and the service life is prolonged, and the volume of IGBT module is decreased.
Description
Technical field
It is electric that the utility model relates to a kind of new-energy automobile, relates in particular to a kind of new-energy automobile inverter IGBT power model auxiliary water cold drawing assembly.
Background technology
Electric machine controller is one of new-energy automobile key components and parts, and its effect is the control heavy-duty motor; Normally, inverter and transducer integrate, and it is whole to constitute electric machine controller.The high-power IGBT power model is again the core power device of inverter section; High-tension battery direct current and motor three-phase alternating current are changed mutually; The IGBT module will be born big electric current (rated current is about 200A) therebetween; Can produce great amount of heat, so the IGBT module heat dissipating is designed to key.The area of dissipation that has the high-power IGBT module that is applicable to new-energy automobile now is bigger, and the following main radiating surface of IGBT module adopts the cooled plate assembly of fin structure, so that efficiently radiates heat so but causes IGBT module volume to increase.
The utility model content
The utility model technical problem to be solved provides a kind of new-energy automobile inverter IGBT power model auxiliary water cold drawing assembly, can improve IGBT module heat dissipating efficient, reduces the joint temperature, increases the service life, and the while also reduces IGBT module volume.
For solving the problems of the technologies described above; The new-energy automobile inverter IGBT power model auxiliary water cold drawing assembly that the utility model provides; The following main radiating surface of said IGBT power model connects the heat radiation of fin cooled plate assembly; Said auxiliary water cold drawing assembly is installed on the last auxiliary heat dissipation face of IGBT, comprises cooled plate pressing plate, water pipe, thermal paste and fixture, and said cooled plate pressing plate is fixedly connected with fin cooled plate assembly; Said water pipe is embedded in the cooled plate pressing plate also fastening through fixture and cooled plate pressing plate, is filled with thermal paste between water pipe and the cooled plate pressing plate.
Further, said cooled plate pressing plate is provided with the U type groove that embeds water pipe.
Further, the space between said water pipe and the cooled plate pressing plate is filled with the thermal paste of parcel water pipe.
Wherein, said securing member comprises fixedly buckle and tapping screw, and said cooled plate pressing plate is provided with the screw that supplies tapping screw to screw in.The heat-transfer surface place of said cooled plate pressing plate and IGBT is provided with radiating gasket.Said cooled plate pressing plate is that aluminium alloy compression casting forms.
The beneficial effect of the utility model is; Auxiliary heat dissipation face at the IGBT power model is provided with auxiliary water cold drawing assembly; It combines with the fin cooled plate assembly of main radiating surface, constitutes two-sided water-cooling structure, has improved the radiating efficiency of IGBT module; Reduce the joint temperature of IGBT module, increase the service life and reduce IGBT module volume.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation:
Fig. 1 is the schematic perspective view of the utility model;
Fig. 2 is the vertical view of the utility model;
Fig. 3 is the exploded view of the utility model.
Wherein description of reference numerals is following:
1 is auxiliary water cold drawing assembly; 11 is the cooled plate pressing plate; 12 is water pipe; 13 is thermal paste; 14 are fixing buckle; 15 is tapping screw; 2 is fin cooled plate assembly; 3 is the IGBT power model.
Embodiment
The new-energy automobile inverter IGBT power model auxiliary water cold drawing assembly of the utility model; As depicted in figs. 1 and 2; The following main radiating surface of said IGBT power model 3 connects 2 heat radiations of fin cooled plate assembly; Said auxiliary water cold drawing assembly 1 is installed on the last auxiliary heat dissipation face of IGBT power model 3, comprises cooled plate pressing plate 11, water pipe 12, thermal paste 13 and fixture, and said cooled plate pressing plate 11 and fin cooled plate assembly 2 are connected through screw; Said water pipe 12 is embedded in the cooled plate pressing plate 11 also fastening through fixture and cooled plate pressing plate 11, is filled with thermal paste 13 between water pipe 12 and the cooled plate pressing plate 11.
In the present embodiment, as shown in Figure 3, said cooled plate pressing plate 11 is provided with the U type groove that embeds water pipe 12.Space between said water pipe 12 and the cooled plate pressing plate 11 is filled with the thermal paste 13 of parcel water pipe 12.
As shown in Figure 3, said securing member comprises fixedly buckle 14 and tapping screw 15, and said cooled plate pressing plate 11 is provided with the screw that supplies tapping screw 15 to screw in.Said cooled plate pressing plate 11 is provided with radiating gasket with the heat-transfer surface place of IGBT power model.
Said cooled plate pressing plate 11 is for aluminium alloy compression casting forms, and it requires machine work with IGBT radiating surface contact-making surface, and flatness requires to be controlled at ± 0.05mm, and roughness is 6.3.
Said water pipe adopts the red copper material to process, and thermal paste is silica gel or epoxy resin.
In the emulation experiment of three kinds of situation, the last radiating surface of a-IGBT power model does not have auxiliary heat dissipation; The last radiating surface of b-IGBT power model relies on the conduction auxiliary heat dissipation; The last radiating surface of c-IGBT power model relies on the heat radiation of auxiliary water cold drawing assembly, and concrete simulation parameter is seen the physical parameter of table 1 and the boundary condition of table 2.
Table 1 physical parameter
| Part name | Material | Conductive coefficient (W/m-K) | |
| The cooled plate assembly | Aluminium alloy | 138 | |
| Auxiliary water cold drawing pressing plate | Aluminium alloy | 138 | |
| Water pipe | Red copper | 384 | |
| Thermal | Silica gel | 3 |
Table 2 boundary condition
| Title | Parameter |
| IGBT (six) | Q＝171.6W |
| Diode (six) | Q＝65.4W |
| Ambient temperature | 105℃ |
| The main fluid flow | 8L/min |
| The auxiliary fluid flow | 2L/min |
| The water inlet temperature | 75℃ |
| Delivery port pressure | 1Bar |
Simulation result is seen table 3, and the result shows that Tj-a (when the IGBT power model does not have auxiliary heat dissipation, the joint temperature of IGBT power model) is 175.8 ℃; Tj-b (when the last radiating surface of IGBT power model relies on the conduction auxiliary heat dissipation, the joint temperature of IGBT power model) is 156.5 ℃; Tj-c (when the last radiating surface of IGBT power model relies on the heat radiation of auxiliary water cold drawing assembly, the joint temperature of IGBT power model) is 144.6 ℃, and wherein the flow of auxiliary cooling water is 2L/min in the water pipe.The auxiliary water-cooled radiating effect of IGBT module is obvious with respect to other modes, and IGBT module joint temperature is descended 31.2 ℃, guarantees can continue operate as normal at the inverter critical component IGBT of critical conditions power model.
Table 3 simulation result
| The contrast situation | Tj(℃) |
| The last radiating surface of a-IGBT power model does not have auxiliary heat dissipation | 175.8 |
| The last radiating surface of b-IGBT power model relies on the conduction auxiliary heat dissipation | 156.5 |
| The last radiating surface of c-IGBT power model relies on the heat radiation of auxiliary water cold drawing assembly | 144.6 |
The beneficial effect of the utility model is; Auxiliary heat dissipation face at the IGBT power model is provided with auxiliary water cold drawing assembly; It combines with the fin cooled plate assembly of main radiating surface, constitutes two-sided water-cooling structure, has improved the radiating efficiency of IGBT module; Reduce the joint temperature of IGBT module, increase the service life and reduce IGBT module volume.
More than through specific embodiment the utility model has been carried out detailed explanation, this embodiment only is the preferred embodiment of the utility model, it is not that the utility model is limited.Under the situation that does not break away from the utility model principle, equivalent replacement and improvement that those skilled in the art makes water-cooling structure etc. all should be regarded as in the technological category that the utility model is protected.
Claims (6)
1. new-energy automobile inverter IGBT power model auxiliary water cold drawing assembly; The following main radiating surface of said IGBT power model connects the heat radiation of fin cooled plate assembly; It is characterized in that: said auxiliary water cold drawing assembly is installed on the last auxiliary heat dissipation face of IGBT; Comprise cooled plate pressing plate, water pipe, thermal paste and fixture; Said cooled plate pressing plate is fixedly connected with fin cooled plate assembly, and said water pipe is embedded in the cooled plate pressing plate also fastening through fixture and cooled plate pressing plate, is filled with thermal paste between water pipe and the cooled plate pressing plate.
2. new-energy automobile inverter IGBT power model auxiliary water cold drawing assembly according to claim 1 is characterized in that: said cooled plate pressing plate is provided with the U type groove that embeds water pipe.
3. new-energy automobile inverter IGBT power model auxiliary water cold drawing assembly according to claim 2 is characterized in that: the space between said water pipe and the cooled plate pressing plate is filled with the thermal paste of parcel water pipe.
4. new-energy automobile inverter IGBT power model auxiliary water cold drawing assembly according to claim 1, it is characterized in that: said securing member comprises fixedly buckle and tapping screw, said cooled plate pressing plate is provided with the screw that supplies tapping screw to screw in.
5. new-energy automobile inverter IGBT power model auxiliary water cold drawing assembly according to claim 1, it is characterized in that: the heat-transfer surface place of said cooled plate pressing plate and IGBT is provided with radiating gasket.
6. new-energy automobile inverter IGBT power model auxiliary water cold drawing assembly according to claim 1, it is characterized in that: said cooled plate pressing plate is that aluminium alloy compression casting forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203547036U CN202282938U (en) | 2011-09-21 | 2011-09-21 | Auxiliary water-cooled plate assembly of IGBT power module of novel energy automobile inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203547036U CN202282938U (en) | 2011-09-21 | 2011-09-21 | Auxiliary water-cooled plate assembly of IGBT power module of novel energy automobile inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202282938U true CN202282938U (en) | 2012-06-20 |
Family
ID=46229085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203547036U Expired - Lifetime CN202282938U (en) | 2011-09-21 | 2011-09-21 | Auxiliary water-cooled plate assembly of IGBT power module of novel energy automobile inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202282938U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104486938A (en) * | 2015-01-04 | 2015-04-01 | 东莞市威力固电路板设备有限公司 | Method for preparing water cooling plate |
| CN105899050A (en) * | 2016-06-12 | 2016-08-24 | 厦门市福工动力技术有限公司 | Motor controller for new energy automobile |
| WO2016201714A1 (en) * | 2015-06-18 | 2016-12-22 | 中山大洋电机股份有限公司 | Method of assembling extendable inverter and mechanical assembly thereof |
| WO2017181840A1 (en) * | 2016-04-22 | 2017-10-26 | 珠海格力电器股份有限公司 | Igbt module assembly |
-
2011
- 2011-09-21 CN CN2011203547036U patent/CN202282938U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104486938A (en) * | 2015-01-04 | 2015-04-01 | 东莞市威力固电路板设备有限公司 | Method for preparing water cooling plate |
| CN104486938B (en) * | 2015-01-04 | 2017-05-24 | 东莞市威力固电路板设备有限公司 | Method for preparing water cooling plate |
| WO2016201714A1 (en) * | 2015-06-18 | 2016-12-22 | 中山大洋电机股份有限公司 | Method of assembling extendable inverter and mechanical assembly thereof |
| WO2017181840A1 (en) * | 2016-04-22 | 2017-10-26 | 珠海格力电器股份有限公司 | Igbt module assembly |
| US10811333B2 (en) | 2016-04-22 | 2020-10-20 | Gree Electric Appliances, Inc. Of Zhuhai | IGBT module assembly |
| CN105899050A (en) * | 2016-06-12 | 2016-08-24 | 厦门市福工动力技术有限公司 | Motor controller for new energy automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200260611A1 (en) | Water-cooled motor controller | |
| CN101697448B (en) | Two-side water cooling substrate of power module of current transformer | |
| CN202282938U (en) | Auxiliary water-cooled plate assembly of IGBT power module of novel energy automobile inverter | |
| CN103051208B (en) | Frequency conversion power module of all-in-one machine of explosive-proof frequency conversion motor | |
| CN208159088U (en) | A kind of cooling encapsulation device | |
| CN201788963U (en) | Copper water cooled radiator | |
| CN201475747U (en) | High-power LED lighting lamp with radiating structure | |
| CN201594787U (en) | Double-sided water-cooling radiating substrate for converter power module | |
| CN209045713U (en) | A kind of new-energy automobile power battery mould group with heat management system | |
| CN208079654U (en) | Water-cooled motor controller | |
| CN202524701U (en) | Cooling device of large-power electronic component | |
| CN217274934U (en) | IGBT module cooling device | |
| CN105138098A (en) | Aluminum-copper explosion cladding CPU cooling fin device | |
| CN206584918U (en) | A kind of IGBT coolers for electric machine controller | |
| CN207475413U (en) | A kind of charging power box | |
| CN201222839Y (en) | Mosaic radiator for electric power electronic element | |
| CN210224009U (en) | IGBT module cooling device | |
| CN201075816Y (en) | New type high power driver | |
| CN201547629U (en) | LED street lamp capable of efficiently radiating heat | |
| CN218772763U (en) | Heat dissipation structure for power inductor | |
| CN218335766U (en) | Frequency converter capable of adjusting heat dissipation intensity | |
| CN219711755U (en) | Silicon carbide module and air bearing air compressor machine fuse heat abstractor | |
| CN220254971U (en) | High-frequency switching power supply heat dissipation device | |
| CN209897337U (en) | Circuit board for high-power LED | |
| CN216795585U (en) | Double-medium radiator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120620 |